these 3 derivations will be built:
  /nix/store/45n5wh3z5rchfli9ja6wfxnx83ddkvyj-letta-code-src-with-lock.drv
  /nix/store/gawm99f4s70a1vq8jx1nx8rbp0h3mbp1-letta-code-0.34.23.drv
  /nix/store/kv07jzspwnys4227sajl385lhzqa1zm9-check-letta-code.drv